Answer:
11
Step-by-step explanation:
apply pythagoras theorem
Answer:
78.54 cm^3
Step-by-step explanation:
I think thats the answer
Answer:
C. 55
Step-by-step explanation:
Since all angles in a triangle add up to 180°, we have:
40 + y + y + 30 = 180
2y + 70 = 180
2y = 110
y = 55
Can you provide a picture of the angles? Thanks <3